Author(s)

Imad Al-Deen Hussein A. Al-Saidi^*, Faisal Sadik

Department of Physics, College of Education for Pure Sciences, University of Basrah, Basrah, Iraq.

The optical properties of the pure polymer film and polymer films doped with Phenol Red dye at different concentrations were investigated. The films were prepared using the casting technique. Poly (methyl-methacrylate) (PMMA) polymer was doped with the Phenol Red dye dissolved in a mixture of chloroform and little quantity of methanol, used as suitable solvent for both the dye and the polymer. The spectral absorption measurements of these films were carried out at different dye concentrations using UV-Vis double-beam spectrophotometer in the wavelength range 300 - 800 nm. The optical parameters of the prepared Phenol Red dye doped polymer films, absorption coefficient (α), extinction coefficient (κ), refractive index (n), optical and electrical conductivities (σ_opt and σ_elect), and optical energy band gap (E_g), were determined. The results showed that the Phenol Red dye doped polymer film is a good candidate for photonic applications such as, solar cells, optical sensors, and other photonic devices.

Optical Properties, Optical Constants, Phenol Red Dye, Dye Doped Polymer Films, Optical Energy Band Gap

Al-Saidi, I. and Sadik, F. (2016) Synthesis and Investigation of Phenol Red Dye Doped Polymer Films. Advances in Materials Physics and Chemistry, 6, 120-128. doi: 10.4236/ampc.2016.65013.